Finding the Fourth Proportional to 2,564,978.40, 3,845,523.60 and 1,303,711.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,564,978.40 : 3,845,523.60 = 1,303,711.20 : x
2. Step 2: Convert to fraction form
   2,564,978.40/3,845,523.60 = 1,303,711.20/x
3. Step 3: Cross multiply
   2,564,978.40x = 3,845,523.60 × 1,303,711.20
4. Step 4: Simplify right side
   2,564,978.40x = 5,013,452,187,184.32
5. Step 5: Solve for x
   x = 5,013,452,187,184.32/2,564,978.40
6. Step 6: Final answer
   x = 1,954,578.72